Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21541206c&link_type=abstract
American Astronomical Society, AAS Meeting #215, #412.06; Bulletin of the American Astronomical Society, Vol. 42, p.247
Astronomy and Astrophysics
Astronomy
Scientific paper
OH Megamasers (OHM) often appear in luminous infrared emission regions. One of these regions that are of great scientific significance is galactic mergers enshrouded by dust and molecular gas. OH masers are often characterized by their presence in star formation regions which correlate to highly dusty regions. OH megamasers however, though primarily found in ULIRGs , may not necessarily be represented by their association with star formation, because of the possibility of a compact AGN. In fact previously classified starburst galaxies where OH masers are normally found, are now optically observed as AGN. They may also be a reasonable judge as to the evolutionary stage of the merger. This project focuses on observations that are part of a three multi-frequency analysis of the merging regions surrounding the known OHMs. The Halpha and neutral gas provide an environmental perspective of the masing components. HI observations help to determine the column density of the gas in the OHM regions, which initiates a greater understanding of the maser pumping mechanism. Just as the environment provides a basis for the properties of the maser components, so do the maser components determine the properties of the environment.
Cooprider Kirstin M.
Coziol Roger
Migenes Victor
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